A hot wallet keeps keys on an internet-connected device so you can transact immediately. That includes Trust Wallet, MetaMask Mobile, MetaMask and Phantom in the browser, desktop apps, and exchange-hosted wallets. Speed is the point. The device is exposed to malware, phishing, and remote theft. If someone has the device or password, they can move funds now.
Hot wallets are what you use for daily spends, DeFi, and trading. Keep a working balance there. Keep the rest in cold storage. It holds private keys in a software environment accessible from a desktop, phone, or browser, allowing instant transactions. The advantage is speed and convenience. If someone gains access to the device or password, they can move the stored crypto immediately.
A hot wallet's keys sit on a phone or browser that is online. Convenient for spending. Worse if malware hits the device.
Hot Wallet Activity
Watch how a hot wallet constantly communicates with blockchain services
Hot wallets maintain persistent internet connections for instant transactions with DEXs, DeFi protocols, and dApps. This convenience comes with higher security risk since private keys remain on an internet-connected device.